Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. An apparatus for a transmitting end of a wireless communication system, comprising: an interleave division multiple access unit, configured to perform interleaving processing on information to be transmitted; and a filter bank multi-carrier unit, configured to transmit the interleaved information in parallel using particular pre-selected sub-carriers, comprising an up-sampling module configured to perform up-sampling on the interleaved information, a filter bank comprising a plurality of filters, each of which corresponds to a sub-carrier, wherein the up-sampled user information is inputted to one or more filters corresponding to the particular pre-selected sub-carriers, a combining module configured to combine output of the one or more filters for transmitting, and a cyclic prefix module configured to insert a cyclic prefix into the interleaved information before the up-sampling is performed on the interleaved information.
This invention relates to wireless communication systems, specifically addressing efficient data transmission using interleaving and filter bank multi-carrier (FBMC) techniques. The apparatus is designed for the transmitting end of a wireless system to improve spectral efficiency and reduce interference by selectively using sub-carriers for parallel data transmission. The apparatus includes an interleave division multiple access (IDMA) unit that processes information to be transmitted by interleaving it, spreading the data across multiple sub-carriers to enhance robustness against interference. A filter bank multi-carrier (FBMC) unit then transmits the interleaved information in parallel using pre-selected sub-carriers. The FBMC unit comprises an up-sampling module that increases the sampling rate of the interleaved data, a filter bank with multiple filters—each corresponding to a specific sub-carrier—where the up-sampled data is inputted only to the filters associated with the pre-selected sub-carriers. The outputs of these filters are combined for transmission. Additionally, a cyclic prefix module inserts a cyclic prefix into the interleaved information before up-sampling to mitigate inter-symbol interference. This approach leverages IDMA for interference mitigation and FBMC for efficient multi-carrier transmission, optimizing wireless communication performance.
2. The apparatus according to claim 1 , wherein the transmitting end is user equipment, and the apparatus further comprises a transceiving unit configured to receive, from a base station, information as to whether a cyclic prefix is to be used and/or information about the number N of the sub-carriers to be selected.
This invention relates to wireless communication systems, specifically improving data transmission efficiency in user equipment (UE) devices. The problem addressed is optimizing resource allocation in wireless networks by dynamically adjusting transmission parameters such as cyclic prefix usage and sub-carrier selection. The apparatus includes a transmitting end implemented in user equipment (UE) and a transceiving unit. The transceiving unit receives configuration information from a base station, including whether a cyclic prefix should be used and the number N of sub-carriers to be selected for transmission. The cyclic prefix is a guard interval used to prevent inter-symbol interference in orthogonal frequency-division multiplexing (OFDM) systems. By dynamically configuring these parameters, the system can adapt to varying channel conditions, improving spectral efficiency and reducing latency. The apparatus may also include a processing unit to determine optimal transmission settings based on the received information. This approach allows the UE to efficiently utilize available bandwidth while minimizing overhead, particularly in scenarios with time-varying channel characteristics. The invention enhances flexibility in wireless communication protocols by enabling real-time adjustments to transmission parameters based on network conditions.
3. The apparatus according to claim 2 , wherein the transceiving unit is further configured to receive, from the base station, information related to a data length and the filter bank, so that the user equipment performs data packeting and filter generation based on the related information.
This invention relates to wireless communication systems, specifically apparatuses for user equipment (UE) that enhance data transmission efficiency by dynamically adjusting data packeting and filter generation. The problem addressed is the need for flexible and efficient data handling in wireless networks, particularly when different data lengths and filter configurations are required for optimal performance. The apparatus includes a transceiving unit that communicates with a base station. The transceiving unit is configured to receive information from the base station regarding the data length and the filter bank to be used. Based on this information, the UE performs data packeting, which involves organizing data into packets of appropriate sizes, and generates filters tailored to the specified filter bank. This dynamic adjustment ensures that the UE can adapt to varying network conditions and requirements, improving data transmission efficiency and reliability. The filter bank refers to a set of filters used in signal processing to shape the transmitted signal, while data packeting involves dividing data into manageable segments for transmission. By receiving and utilizing this information from the base station, the UE can optimize its operations without requiring preconfigured settings, leading to more efficient use of network resources and better overall performance. This approach is particularly useful in scenarios where data transmission parameters need to be frequently adjusted to accommodate different types of traffic or network conditions.
4. The apparatus according to claim 2 , wherein the apparatus further comprises a selecting unit configured to randomly select N sub-carriers as the particular sub-carriers.
This invention relates to wireless communication systems, specifically apparatuses for selecting sub-carriers in a multi-carrier transmission scheme such as Orthogonal Frequency Division Multiplexing (OFDM). The problem addressed is the efficient and reliable allocation of sub-carriers to optimize data transmission while mitigating interference and channel impairments. The apparatus includes a selecting unit that randomly selects N sub-carriers from a pool of available sub-carriers for use in transmitting data. This random selection helps distribute transmissions across the frequency spectrum, reducing the likelihood of persistent interference or fading effects on any single sub-carrier. The apparatus may also include a determining unit that identifies a set of candidate sub-carriers based on channel quality metrics, such as signal-to-noise ratio (SNR) or channel state information (CSI), to ensure that the selected sub-carriers meet performance criteria. The random selection from these candidate sub-carriers further enhances robustness by avoiding deterministic patterns that could be exploited by adversarial interference. By combining channel-aware candidate selection with random sub-carrier allocation, the apparatus improves transmission reliability and spectral efficiency in dynamic wireless environments. This approach is particularly useful in scenarios where channel conditions vary rapidly, such as in mobile communications or high-mobility applications. The invention ensures fair and efficient resource utilization while maintaining low computational complexity.
5. The apparatus according to claim 1 , wherein the transmitting end is a base station, and the apparatus further comprises a determining unit configured to determine, based on a result of channel estimation, whether to use a cyclic prefix and the number of sub-carriers to be used by user equipment.
This invention relates to wireless communication systems, specifically improving signal transmission efficiency in base station-to-user equipment (UE) communication. The problem addressed is optimizing resource allocation by dynamically adjusting cyclic prefix usage and sub-carrier allocation based on channel conditions. The apparatus includes a base station configured to transmit signals to UE. A determining unit evaluates channel estimation results to decide whether to apply a cyclic prefix and the number of sub-carriers for the UE. Cyclic prefixes reduce inter-symbol interference but consume bandwidth, while sub-carrier allocation affects spectral efficiency. The determining unit balances these trade-offs by analyzing channel conditions, such as multipath delay spread and signal-to-noise ratio, to select optimal parameters. The apparatus may also include a receiving unit to obtain channel state information from the UE, a processing unit to generate transmission signals, and a transmitting unit to send signals to the UE. The determining unit's decision ensures efficient use of available bandwidth while maintaining signal integrity. This dynamic adjustment improves system performance in varying channel environments, particularly in high-mobility scenarios or dense network deployments. The invention enhances spectral efficiency and reduces latency by tailoring transmission parameters to real-time channel conditions.
6. The apparatus according to claim 5 , further comprising: a transceiving unit, configured to receive, from the user equipment, a training sequence and a quality of service requirement, so that the base station performs channel estimation based on the training sequence and the quality of service requirement, and transmits information as to whether to use a cyclic prefix and/or the number of sub-carriers to be selected to the user equipment.
This invention relates to wireless communication systems, specifically improving channel estimation and resource allocation in base stations. The problem addressed is optimizing communication efficiency by dynamically adjusting transmission parameters based on channel conditions and quality of service (QoS) requirements. The apparatus includes a transceiving unit that receives a training sequence and QoS requirements from user equipment (UE). The base station uses the training sequence to perform channel estimation, which assesses the communication channel's characteristics. Based on this estimation and the QoS requirements, the base station determines whether to use a cyclic prefix—a guard interval that prevents interference between transmitted symbols—and selects the number of sub-carriers for data transmission. The base station then transmits this configuration information back to the UE, enabling adaptive adjustments to transmission parameters for improved performance. This approach enhances spectral efficiency and reliability by tailoring transmission settings to real-time channel conditions and service demands, reducing interference and optimizing resource utilization. The system dynamically balances trade-offs between robustness and throughput, ensuring efficient use of available bandwidth while meeting QoS targets.
7. The apparatus according to claim 6 , wherein the transceiving unit is further configured to, upon receiving a data transmitting request from the user equipment, transmit information related to a data length and a filter bank to the user equipment.
This invention relates to wireless communication systems, specifically improving data transmission efficiency between user equipment (UE) and a network apparatus. The problem addressed is optimizing data transmission by dynamically adjusting parameters based on UE requirements. The apparatus includes a transceiving unit that communicates with UE and a processing unit that manages transmission configurations. When the UE requests data transmission, the transceiving unit sends information about the data length and a filter bank to the UE. The filter bank is a set of filters used to process signals, and the data length indicates the size of the data to be transmitted. This allows the UE to adapt its transmission strategy, such as selecting appropriate modulation and coding schemes or adjusting power levels, to enhance efficiency and reliability. The processing unit may also determine the filter bank based on channel conditions or UE capabilities, ensuring optimal performance. The apparatus may further include a memory unit to store configuration data and a control unit to manage operations. This system enables dynamic, efficient data transmission by providing UE with necessary parameters upfront, reducing latency and improving resource utilization.
8. The apparatus according to claim 7 , wherein the information related to the filter bank comprises at least one of the number of sub-carriers, a length of the filter, a center frequency, and a bandwidth.
This invention relates to wireless communication systems, specifically apparatuses for processing signals in filter bank-based multicarrier (FBMC) systems. The problem addressed is the need for efficient and flexible signal processing in FBMC systems, which require precise configuration of filter banks to optimize performance. The apparatus includes a filter bank configured to process signals using multiple sub-carriers, where the filter bank parameters are dynamically adjustable. These parameters include the number of sub-carriers, the length of the filter, the center frequency, and the bandwidth. By allowing these parameters to be modified, the apparatus can adapt to different communication scenarios, improving spectral efficiency and reducing interference. The filter bank may be implemented using digital signal processing techniques, such as polyphase filtering or fast Fourier transforms, to efficiently handle the signal processing tasks. The apparatus may also include a controller to manage the filter bank parameters based on system requirements or environmental conditions. This flexibility ensures optimal performance in varying channel conditions and communication standards. The invention enhances the adaptability of FBMC systems, making them suitable for next-generation wireless networks.
9. A method for a transmitting end of a wireless communication system, comprising: performing interleaving processing on information to be transmitted; inserting a cyclic prefix into the interleaved information before up-sampling is performed on the interleaved information; performing up-sampling on the interleaved information; inputting the up-sampled interleaved information to one or more filters of a filter bank corresponding to particular preselected sub-carriers, the filter bank including a plurality of filters, each of the plurality of filters corresponding to a sub-carrier of a plurality of sub-carriers; combining output of the one or more filters for transmitting; and transmitting the interleaved information in parallel using the particular pre-selected sub-carriers.
This invention relates to wireless communication systems, specifically improving data transmission efficiency and reliability. The method addresses challenges in parallel data transmission over multiple sub-carriers, such as interference and synchronization issues, by optimizing signal processing before transmission. The method involves interleaving the information to be transmitted to distribute data across multiple sub-carriers, reducing error propagation. A cyclic prefix is then inserted into the interleaved data before up-sampling, which helps mitigate inter-symbol interference. After up-sampling, the data is filtered using a filter bank, where each filter corresponds to a specific sub-carrier. The outputs of the selected filters are combined for transmission. The data is then transmitted in parallel across the preselected sub-carriers, enhancing spectral efficiency and robustness against channel distortions. The filter bank ensures precise sub-carrier allocation, while the cyclic prefix and interleaving improve signal integrity. This approach is particularly useful in multi-carrier systems like OFDM, where parallel transmission is critical for high-speed data delivery. The method enhances performance by reducing interference and improving synchronization, making it suitable for modern wireless communication standards.
10. An apparatus for a transmitting end of a wireless communication system, comprising: circuitry configured to perform interleaving processing on information to be transmitted; insert a cyclic prefix into the interleaved information before up-sampling is performed on the interleaved information; perform up-sampling on the interleaved information; input the up-sampled interleaved information to one or more filters of a filter bank corresponding to particular preselected sub-carriers, the filter bank including a plurality of filters, each of the plurality of filters corresponding to a sub-carrier of a plurality of sub-carriers; combine output of the one or more filters for transmitting; and transmit the interleaved information in parallel, using the particular pre-selected sub-carriers.
This invention relates to wireless communication systems, specifically improving transmission efficiency and reliability by optimizing signal processing at the transmitting end. The apparatus addresses challenges in conventional systems where interleaving, cyclic prefix insertion, and up-sampling are often performed in suboptimal sequences, leading to inefficiencies in sub-carrier utilization and signal integrity. The apparatus includes circuitry that performs interleaving on the information to be transmitted to distribute data across multiple sub-carriers, reducing error susceptibility. A cyclic prefix is then inserted into the interleaved information before up-sampling, ensuring orthogonality and mitigating inter-symbol interference. The interleaved information is up-sampled to increase the sampling rate, preparing it for filtering. The up-sampled data is input into one or more filters of a filter bank, where each filter corresponds to a specific sub-carrier. The filter bank allows precise selection of sub-carriers for transmission, enhancing spectral efficiency. The outputs of the selected filters are combined, and the interleaved information is transmitted in parallel across the preselected sub-carriers, improving throughput and robustness. This approach optimizes signal processing order and sub-carrier allocation, enhancing overall communication performance.
11. The apparatus according to claim 10 , wherein the transmitting end is user equipment, and the circuitry is further configured to receive, from a base station, information as to whether a cyclic prefix is to be used and/or information about the number N of the sub-carriers to be selected.
This invention relates to wireless communication systems, specifically improving the efficiency of data transmission between user equipment (UE) and a base station. The problem addressed is optimizing resource allocation in wireless networks, particularly in scenarios where cyclic prefix usage and sub-carrier selection impact transmission performance. The apparatus includes a transmitting end, which is user equipment, and circuitry configured to manage data transmission. The circuitry selects N sub-carriers from a set of available sub-carriers for transmitting data, where N is a configurable parameter. The selection process involves determining the optimal sub-carriers based on channel conditions or other criteria to enhance transmission efficiency. Additionally, the circuitry receives information from the base station regarding whether a cyclic prefix should be used and the number N of sub-carriers to be selected. The cyclic prefix information helps mitigate inter-symbol interference, while the sub-carrier selection parameter N allows dynamic adjustment of bandwidth usage. This configuration enables adaptive transmission strategies, improving spectral efficiency and reducing interference in wireless communications. The apparatus may also include a receiving end, such as a base station, with complementary circuitry to process the transmitted data. The overall system enhances flexibility in resource allocation, supporting varying channel conditions and traffic demands.
12. The apparatus according to claim 11 , wherein the circuitry is further configured to receive, from the base station, information related to a data length and the filter bank, so that the user equipment performs data packeting and filter generation based on the related information.
This invention relates to wireless communication systems, specifically improving data transmission efficiency between a base station and user equipment (UE). The problem addressed is optimizing data packeting and filter generation to enhance spectral efficiency and reduce processing overhead in filter bank-based multicarrier (FBMC) systems. The apparatus includes circuitry configured to receive information from the base station, including data length and filter bank parameters. The UE uses this information to dynamically adjust data packeting and filter generation. The base station transmits configuration details, such as the number of subcarriers, filter length, and data block size, allowing the UE to align its processing with the network's requirements. This ensures efficient resource allocation and minimizes signal distortion. The circuitry also handles the generation of prototype filters based on the received parameters, enabling precise modulation and demodulation of data symbols. By dynamically adapting to the base station's instructions, the UE avoids unnecessary computations and optimizes power consumption. The system supports flexible data transmission schemes, accommodating varying channel conditions and traffic demands. This approach enhances spectral efficiency by reducing inter-symbol interference and improving synchronization between the base station and UE. The invention is particularly useful in next-generation wireless networks where efficient resource utilization is critical.
13. The apparatus according to claim 11 , wherein the circuitry is further configured to randomly select N sub-carriers as the particular sub-carriers.
This invention relates to wireless communication systems, specifically to apparatuses for selecting sub-carriers in orthogonal frequency-division multiplexing (OFDM) or similar multi-carrier modulation schemes. The problem addressed is efficient and secure sub-carrier allocation to improve communication reliability and resistance to interference or eavesdropping. The apparatus includes circuitry configured to select particular sub-carriers for transmitting data symbols. In one embodiment, the circuitry is further configured to randomly select N sub-carriers from a set of available sub-carriers. This random selection helps distribute data across the frequency spectrum, reducing vulnerability to narrowband interference and improving resistance to frequency-selective fading. The randomness also enhances security by making it harder for unauthorized receivers to predict or track the sub-carrier usage pattern. The apparatus may also include additional features, such as determining the number N based on system parameters like bandwidth, modulation scheme, or channel conditions. The random selection process can be implemented using pseudo-random algorithms or hardware-based random number generators to ensure unpredictability. The selected sub-carriers are then used to transmit data symbols, improving robustness and security in wireless communications. This approach is particularly useful in applications requiring low-probability-of-intercept (LPI) or anti-jamming capabilities.
14. The apparatus according to claim 10 , wherein the transmitting end is a base station, and the circuitry is further configured to determine, based on a result of channel estimation, whether to use a cyclic prefix and the number of sub-carriers to be used by user equipment.
This invention relates to wireless communication systems, specifically improving data transmission efficiency in cellular networks. The problem addressed is optimizing resource allocation in dynamic channel conditions, where traditional fixed configurations of cyclic prefixes and sub-carriers may lead to inefficiencies or performance degradation. The apparatus includes a base station with circuitry configured to dynamically adjust transmission parameters based on real-time channel conditions. The circuitry performs channel estimation to assess the propagation environment, then determines whether to apply a cyclic prefix and the optimal number of sub-carriers for user equipment (UE) communication. This adaptive approach reduces interference, improves spectral efficiency, and enhances data throughput by tailoring the transmission parameters to the specific channel characteristics of each UE. The base station's circuitry evaluates the channel estimation results to decide on the use of a cyclic prefix, which mitigates inter-symbol interference in multipath environments. Additionally, it selects the appropriate number of sub-carriers to balance bandwidth utilization and signal integrity. This dynamic configuration ensures robust communication while maximizing resource utilization, particularly in scenarios with varying channel conditions or mobility patterns. The solution is applicable to modern wireless standards where flexible resource allocation is critical for performance optimization.
15. The apparatus according to claim 14 , wherein the circuitry is further configured to receive, from the user equipment, a training sequence and a quality of service requirement, so that the base station performs channel estimation based on the training sequence and the quality of service requirement, and transmits information as to whether to use a cyclic prefix and/or the number of sub-carriers to be selected to the user equipment.
This invention relates to wireless communication systems, specifically improving channel estimation and data transmission efficiency between a base station and user equipment (UE). The problem addressed is optimizing resource allocation and signal processing to meet quality of service (QoS) requirements while minimizing overhead. The apparatus includes circuitry in a base station that receives a training sequence and QoS requirements from the UE. The base station performs channel estimation using the training sequence and adjusts transmission parameters based on the QoS requirements. The circuitry determines whether to use a cyclic prefix and selects the number of sub-carriers for data transmission. The base station then transmits this configuration information to the UE, enabling adaptive modulation and coding to enhance spectral efficiency and reliability. The invention builds on prior techniques by dynamically adjusting transmission parameters based on real-time channel conditions and QoS demands. This reduces unnecessary overhead from fixed cyclic prefixes and sub-carrier allocations, improving overall system performance. The solution is particularly useful in high-mobility or high-interference environments where channel conditions vary rapidly.
16. The apparatus according to claim 15 , wherein the circuitry is further configured to, upon receiving a data transmitting request from the user equipment, transmit information related to a data length and a filter bank to the user equipment.
This invention relates to wireless communication systems, specifically improving data transmission efficiency between user equipment (UE) and a network apparatus. The problem addressed is optimizing data transmission by dynamically adjusting parameters based on UE capabilities and network conditions. The apparatus includes circuitry configured to manage data transmission between the UE and a network. Upon receiving a data transmission request from the UE, the circuitry transmits information about the data length and a filter bank to the UE. The filter bank is a set of filters used in multicarrier modulation schemes, such as filter bank multicarrier (FBMC), to shape and process transmitted data. By providing this information, the apparatus enables the UE to adapt its transmission parameters, improving spectral efficiency and reducing interference. The circuitry may also determine the UE's capabilities, such as supported modulation schemes or processing power, and adjust the transmitted data length and filter bank settings accordingly. This dynamic adaptation ensures efficient use of network resources while maintaining reliable communication. The apparatus may further include a memory to store UE-specific configurations and a transceiver to handle data exchange. The overall system enhances data throughput and reduces latency in wireless networks by optimizing transmission parameters in real-time.
17. The apparatus according to claim 16 , wherein the information related to the filter bank comprises at least one of the number of sub-carriers, a length of the filter, a center frequency, and a bandwidth.
This invention relates to wireless communication systems, specifically apparatuses for processing signals in a filter bank-based multicarrier (FBMC) system. The problem addressed is the need for efficient and flexible signal processing in FBMC systems, which use overlapping subcarriers to improve spectral efficiency compared to orthogonal frequency-division multiplexing (OFDM). The apparatus includes a filter bank configured to process signals using multiple subcarriers, where the filter bank parameters can be dynamically adjusted. These parameters include the number of subcarriers, the length of the filter, the center frequency, and the bandwidth. By allowing these parameters to be configured, the apparatus can adapt to different communication scenarios, such as varying channel conditions or different modulation schemes. The filter bank may also include a polyphase structure to reduce computational complexity while maintaining performance. The apparatus further includes a controller to manage the filter bank parameters, ensuring optimal signal processing for the given application. This flexibility improves system efficiency and compatibility with various wireless standards. The invention is particularly useful in next-generation communication systems where spectral efficiency and adaptability are critical.
Unknown
May 19, 2020
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